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| author | Matt Caswell <matt@openssl.org> | 2017-07-17 17:55:32 +0200 |
|---|---|---|
| committer | Matt Caswell <matt@openssl.org> | 2017-07-19 12:49:08 +0200 |
| commit | d5475e319575a45b20f560bdfae56cbfb165cb01 (patch) | |
| tree | 18c68fe2798792743437157f93ff58cdd9f57124 /crypto/evp/e_aes_cbc_hmac_sha1.c | |
| parent | Fix undefined behaviour in e_aes_cbc_hmac_sha256.c and e_aes_cbc_hmac_sha1.c (diff) | |
| download | openssl-d5475e319575a45b20f560bdfae56cbfb165cb01.tar.xz openssl-d5475e319575a45b20f560bdfae56cbfb165cb01.zip | |
Remove some dead code
The intention of the removed code was to check if the previous operation
carried. However this does not work. The "mask" value always ends up being
a constant and is all ones - thus it has no effect. This check is no longer
required because of the previous commit.
Reviewed-by: Rich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/3832)
Diffstat (limited to 'crypto/evp/e_aes_cbc_hmac_sha1.c')
| -rw-r--r-- | crypto/evp/e_aes_cbc_hmac_sha1.c | 3 |
1 files changed, 0 insertions, 3 deletions
diff --git a/crypto/evp/e_aes_cbc_hmac_sha1.c b/crypto/evp/e_aes_cbc_hmac_sha1.c index 65f13c2c61..09d24dc3d0 100644 --- a/crypto/evp/e_aes_cbc_hmac_sha1.c +++ b/crypto/evp/e_aes_cbc_hmac_sha1.c @@ -539,9 +539,6 @@ static int aesni_cbc_hmac_sha1_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, pad = constant_time_select(mask, pad, maxpad); inp_len = len - (SHA_DIGEST_LENGTH + pad + 1); - mask = (0 - ((inp_len - len) >> (sizeof(inp_len) * 8 - 1))); - inp_len &= mask; - ret &= (int)mask; key->aux.tls_aad[plen - 2] = inp_len >> 8; key->aux.tls_aad[plen - 1] = inp_len; |